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Finding the Fourth Proportional to 265,846.60, 366,991.16 and 163,890.28

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Solution

The fourth proportional to 265,846.60, 366,991.16 and 163,890.28 is: 226,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,846.60 : 366,991.16 = 163,890.28 : x
  2. Step 2: Convert to fraction form
    265,846.60/366,991.16 = 163,890.28/x
  3. Step 3: Cross multiply
    265,846.60x = 366,991.16 × 163,890.28
  4. Step 4: Simplify right side
    265,846.60x = 60,146,283,969.92
  5. Step 5: Solve for x
    x = 60,146,283,969.92/265,846.60
  6. Step 6: Final answer
    x = 226,244.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.